Title:
PREHEATING DEVICE FOR COMPRESSORS
Document Type and Number:
WIPO Patent Application WO/2016/093169
Kind Code:
A1
Abstract:
Provided is a preheating device for compressors, which is capable of efficiently heating up a lubricant with a small electric power. A preheating device (50) for a compressor (15) is provided on the compressor (15), which is used in a refrigeration cycle. This preheating device (50) for the compressor (15) is provided with a capacitive oil level sensor (46) for sensing the oil level of a lubricant A in the compressor (15); and a power supply unit (45) for applying a high-frequency voltage to the oil level sensor (46).
More Like This:
| JP6702147 | Refrigeration cycle equipment |
Inventors:
ISHIZEKI SHINICHI
DOUMAE HIROSHI
KISHIWAKI YUUSUKE
FUJIWARA MASAHIDE
IKEDA MOTONOBU
DOUMAE HIROSHI
KISHIWAKI YUUSUKE
FUJIWARA MASAHIDE
IKEDA MOTONOBU
Application Number:
PCT/JP2015/084154
Publication Date:
June 16, 2016
Filing Date:
December 04, 2015
Export Citation:
Assignee:
DAIKIN IND LTD (JP)
International Classes:
F25B1/00; F04B39/02
Domestic Patent References:
| WO2013157074A1 | 2013-10-24 |
Foreign References:
| JPS59219686A | 1984-12-11 | |||
| JPS62175279U | 1987-11-07 | |||
| JP2001221174A | 2001-08-17 | |||
| US20110239667A1 | 2011-10-06 |
Other References:
See also references of EP 3232137A4
Attorney, Agent or Firm:
SunCrest Patent and Trademark Attorneys (JP)
Patent business corporation Sun Crest international patent firm (JP)
Patent business corporation Sun Crest international patent firm (JP)
Download PDF: